Home Prefix Lookup165.173.128.0/18

165.173.128.0/18 - BGP Prefix

IPv4not announced RPKI Valid

CIDR

165.173.128.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇺🇸 United States

City

Pleasanton

Status

not announced

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

25 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
165.173.128.0/19	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.128.0/23	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.160.0/23	AS139006 ZCPL-AS-AP - Zoho Corporation PTY LTD	Valid	-	2026-10-12
165.173.164.0/24	AS401636 ZOHO-CANADA - Zoho Canada Corporation	Valid	-	2026-10-12
165.173.165.0/24	AS401636 ZOHO-CANADA - Zoho Canada Corporation	Valid	-	2026-10-12
165.173.166.0/23	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.168.0/21	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.174.0/23	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.175.0/24	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.176.0/22	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.176.0/23	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.176.0/24	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.178.0/23	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.178.0/24	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.179.0/24	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.180.0/23	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.182.0/23	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.184.0/24	AS141757 ZJC-AS-AP - Zoho Japan Corporation	Valid	-	2026-10-12
165.173.185.0/24	AS141757 ZJC-AS-AP - Zoho Japan Corporation	Valid	-	2026-10-12
165.173.186.0/23	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.186.0/24	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.188.0/24	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.189.0/24	AS2639 ZOHO-AS - ZOHO	Valid	-	2026-10-12
165.173.190.0/24	AS139006 ZCPL-AS-AP - Zoho Corporation PTY LTD	Valid	-	2026-10-12
165.173.191.0/24	AS139006 ZCPL-AS-AP - Zoho Corporation PTY LTD	Valid	-	2026-10-12

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS198949	Other IRR	MAINT-AS198949	2023-11-13

More Specific Prefixes

Prefix	AS	Country	Status
165.173.128.0/19	AS2639	🇺🇸US	allocated
165.173.160.0/22	AS139006	🇦🇺AU	allocated
165.173.164.0/22		🇺🇸US	allocated
165.173.168.0/21	AS2639	🇺🇸US	allocated
165.173.176.0/21		🇺🇸US	allocated
165.173.184.0/23	AS141757	🇯🇵JP	allocated
165.173.184.0/24	AS141757	🇯🇵JP	assigned
165.173.185.0/24	AS141757	🇯🇵JP	assigned
165.173.186.0/23	AS2639	🇺🇸US	allocated
165.173.188.0/23		🇺🇸US	allocated
165.173.190.0/23		🇦🇺AU	assigned
165.173.190.0/24	AS139006	🇦🇺AU	assigned
165.173.191.0/24	AS139006	🇦🇺AU	assigned

Transfer History

Registry transfers of 165.173.128.0/18, blocks inside it, or blocks containing it.

165.173.160.0/22inter-RIRTransfer · 2022-11-28
ZOHO
🇺🇸 US ARIN
→
Zoho Corporation PTY LTD
🇦🇺 AU APNIC
165.173.184.0/23inter-RIRTransfer · 2022-02-03
ZOHO
🇺🇸 US ARIN
→
Zoho Japan Corporation
🇯🇵 JP APNIC
165.173.190.0/24inter-RIRTransfer · 2022-01-25
ZOHO
🇺🇸 US ARIN
→
Zoho Corporation PTY LTD
🇦🇺 AU APNIC
165.173.191.0/24inter-RIRTransfer · 2019-12-05
ZOHO
🇺🇸 US ARIN
→
Zoho Corp Pty Ltd
🇦🇺 AU APNIC
165.173.128.0/18Transfer · 2018-08-20
Metropolitan Community Colleges
🇺🇸 US ARIN
→
ZOHO
🇺🇸 US ARIN

Date	Resource	From	To	Type
2022-11-28	165.173.160.0/22inter-RIR	ZOHO 🇺🇸 US ARIN	Zoho Corporation PTY LTD 🇦🇺 AU APNIC	Transfer
2022-02-03	165.173.184.0/23inter-RIR	ZOHO 🇺🇸 US ARIN	Zoho Japan Corporation 🇯🇵 JP APNIC	Transfer
2022-01-25	165.173.190.0/24inter-RIR	ZOHO 🇺🇸 US ARIN	Zoho Corporation PTY LTD 🇦🇺 AU APNIC	Transfer
2019-12-05	165.173.191.0/24inter-RIR	ZOHO 🇺🇸 US ARIN	Zoho Corp Pty Ltd 🇦🇺 AU APNIC	Transfer
2018-08-20	165.173.128.0/18	Metropolitan Community Colleges 🇺🇸 US ARIN	ZOHO 🇺🇸 US ARIN	Transfer

Geolocation

Country🇺🇸United StatesUS

RegionCalifornia

CityPleasanton

Coordinates37.6861, -121.8940 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/165.173.128.0/18

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/165.173.128.0/18" | jq

External Links

RIPEstat